"its complicity" is correct and usable in written English
You can use it in situations where someone's involvement in a situation is being discussed. Example: "Although her guilt seemed clear, it was difficult to prove its complicity in the crime."
If nothing else, it would free the U.S. from its complicity in an egregious policy.
He publicly urged soldiers not "to take sides" in the conflict.But the agreement stopped short of disarming the militias; nor did it record the army's responsibility for its complicity in recent massacres.
In another indication of the shifting landscape on surveillance, the telecoms giant AT&T announced on Friday that it will begin publishing a semi-annual report about its complicity with government surveillance requests.
If the West does not recognize its complicity in the rise of such organizations, then it should just give up and give in.
Your editorial stops short, however, in one key respect: it does not properly admonish the current Democratic-controlled Congress for its complicity in these terribly sad affairs.
We must put pressure on the African Union for its complicity in the abuses in Ethiopia.
The G.O.P. still has not come close to addressing its complicity problem.
What is the humane way to hold Penn State accountable for its complicity in the crimes of Jerry Sandusky?
But they believe Allianz has not come close to adequately compensating the victims of its complicity with the Nazis.
Qatari-owned media such as al-Jazeera and IslamOnline have relentlessly criticised Egypt in recent years, notably for its complicity in Israel's blockade of Gaza.
In particular, they reckoned that Egypt, as a Muslim and Arab neighbour, would eventually succumb to public outrage at its complicity in the siege.
